Our Pick
Posted on @rawstates
Sea Lion Caves
1932
Florence, Oregon
Art Bromage from Seattle · CC BY-SA 2.0 · Wikimedia Commons
The largest sea cave in America, about two acres of floor under a dome twelve storeys high, and the only year-round mainland rookery Steller sea lions have. It was bought in 1927 by a man who reached it by rope. Visitors now take a lift down 208 feet through the rock.
That was 1 of the hidden places.
Location: documented spot
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